to their job. >>> oracle is getting ready to unveil the next generation of its top-selling database. this is a live look at the event. it actually starts on sunday. the ceo, larry ellison, will introduce the database designed for cloud computing. over 50,000 are expected in american. more than 1 million will join in on line. >>> a busy 405 freeway in los angeles will be shut down this weekend. our reporter, bob decastro, is out there right now. we've heard the threats before. are people nervous now, bob? >> reporter: you know, it depends on who you talk to. if you talk to the officials here, yeah, they are a little bit because we had karmageddon -- carmageddon i and everything went off without a hitch and so now people are thinking oh, that was easy. i can do this asly. well, that's not the case. this area here that they are working on, it will take about 53 hours. they expect about 500,000 cars pass through through any given weekend. what they are saying. they have that volume of traffic and that could mean complete gridlock in just about the entire southern california air -- area